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Standard XII

Chemistry

Amines as Nucleophiles

A compound ...

Question

A compound $(X)$ with molecular formula $C_{3} H_{9} N$ react with $C_{6} H_{5} S O_{2} C l$ to give a solid which is insoluble in alkali. $(X)$ is:

C H_{3} C H_{2} C H_{2} N H_{2}

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C H_{3} - C H_{3} | N : | C H_{3}

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C H_{3} - N H - C H_{2} C H_{3}

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C H_{3} - C H | C H_{3} - N H_{2}

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Solution

The correct option is C $C H_{3} - N H - C H_{2} C H_{3}$
Since the compound reacts with benzenesulphonyl chloride to give a product which is insoluble in alkali, it shows there is no $H$ attached to $N$ in the product . Hence, the compound $X$ is a secondary amine.
$C H_{3} - N H - C - 2 H_{5} + C_{6} H_{5} S O_{2} C l \to C H_{3} - N | C_{2} H_{5} - S O_{2} C_{6} H_{5} N - E t h y l - N - m e t h y l b e n z e n e s u l p h o n a m i d e$

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Similar questions

(e)

C H_{3} - C H_{2} - C H_{2} - N H - C H_{3}

N-Methylpropanamine

(2^{o})

(f)

C H_{3} - C H_{2} N H - C H_{2} C H_{3}

N-Ethylethanamine

(2^{o})

(g)

C H_{3} - C H_{3} | C H - N H - C H_{3}

N-Methylpropan-2-amine

(2^{o})

(h)

C H_{3} - C H_{2} - C H_{3} | N - C H_{3}

N, N-Dimethylethanamine

(3^{o})

In the given compound E,F and F,G are :

Q. In the given compound A,C and A,D are exbhits which of the following isomerism :

(a)

C H_{3} - C H_{2} - C H_{2} - C H_{2} N H_{2}

Butanamine

(1^{o})

(b)

C H_{3} - C H_{2} - N H_{2} | C H - C H_{3}

Butan-2-amine

(1^{o})

(c)

C H_{3} - C H_{3} | C H - C H_{2} - N H_{2}

2-Methylpropanamine

(1^{o})

(d)

C H_{3} - C H_{3} | C | - C H_{3} N H_{2}

2-methylpropan-2-amine

(1^{o})

(e)

C H_{3} - C H_{2} - C H_{2} - N H - C H_{3}

N-methylpropanamine

(2^{o})

C H_{3} - N H_{2}

C H_{3} - N H - C H_{3}

C H_{3} - N | C H_{3} - C H_{3}

I II III

Compare boiling points of the given compounds:

Q. In the given example B,C and B,D are :

(a)

C H_{3} - C H_{2} - C H_{2} - C H_{2} N H_{2}

Butanamine

(1^{o})

(b)

C H_{3} - C H_{2} - N H_{2} | C H - C H_{3}

Butan-2-amine

(1^{o})

(c)

C H_{3} - C H_{3} | C H - C H_{2} - N H_{2}

2-Methylpropanamine

(1^{o})

(d)

C H_{3} - C H_{3} | C | - C H_{3} N H_{2}

2-methylpropan-2-amine

(1^{o})

(e)

C H_{3} - C H_{2} - C H_{2} - N H - C H_{3}

N-methylpropanamine

(2^{o})

(a)

C H_{3} - C H | C H_{3} - C H_{2} - C H | C H_{3} - C H | C H_{3} - C H_{3}

(b)

C H_{3} - C H | C H_{3} - C H | C H_{3} - C H_{3}

Give

I U P A C

name of following compounds.

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A compound (X) with molecular formula C3H9N react with C6H5SO2Cl to give a solid which is insoluble in alkali. (X) is:

A compound $(X)$ with molecular formula $C_{3} H_{9} N$ react with $C_{6} H_{5} S O_{2} C l$ to give a solid which is insoluble in alkali. $(X)$ is: